桥梁构件维护决策支持模型是基于计算桥梁构件在各可选维护方案下其状态周期内的年均维护成本的基础上建立的。
The decision support model for bridge component maintenance is developed on the basis of comparison of the annual average maintenance cost of bridge component among all selected maintenance schemes.
足球运动员的竞技状态周期具有复杂的专项性，训练分期的主导依据是竞赛日程，竞技能力各子系统表现出独特的时间补偿效应；
Meanwhile, the (arrangement) of training should be compiled to the schedule of competition with each sub-system of the (competition) ability showing particular time complimentary effects.
生命周期状态机请参见 图 4。
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